Use After Free Affecting perf package, versions <0:6.1.10-15.42.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF-5702262
  • published13 Jun 2023
  • disclosed25 Feb 2023

Introduced: 25 Feb 2023

CVE-2023-26544  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf to version 0:6.1.10-15.42.amzn2023 or higher.
This issue was patched in ALAS2023-2023-070.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

In the Linux kernel 6.0.8, there is a use-after-free in run_unpack in fs/ntfs3/run.c, related to a difference between NTFS sector size and media sector size.

CVSS Scores

version 3.1